President Barack Obama on Friday said he will meet with former Presidents George W. Bush and Bill Clinton at the White House on Saturday to discuss ways to continue assisting Haiti after the immediate crisis in the country begins to ebb.Obama has tapped the two former presidents to offer a high-profile face to efforts to maintain a focus on Haiti’s rebuilding in the months ahead.The session will mark the first time that Bush has returned to the White House since ending his presidency last January. Clinton has returned many times since he was president.Obama spoke at the White House for the third day in a row on the Haiti situation, presenting himself as deeply involved and concerned about the crisis. He said U.S. aid is continuing to arrive in earthquake-torn Haiti.“This morning the aircraft carrier USS Carl Vinson arrived, along with helicopters that will be critical in delivering assistance in the days to come,— Obama said. “They are preparing to move badly needed water, food and other lifesaving supplies to priority areas in Port-au-Prince.—